mail.draintechnologyrd.com has no SRV records.
Question and response
Question
dig mail.draintechnologyrd.com. SRV
Answer
The response has no answer records.
Authority
draintechnologyrd.com. 1800 SOA brenna.ns.cloudflare.com. dns.cloudflare.com. 2395300155 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0